• 3D Retul Bike-Fit Studio
    Retül Fit is more than just a bike fit—it’s a way to learn about your body, the root cause of your aches and pains, and how a proper fit will help you achieve your cycling goals.
  • Fit to Ride the Distance
    London's premier bike fitting studio uses sophisticated video & motion capture to provide insights into your cycling movement and body position for better cycling comfort and efficiency.
  • 121 Coaching & Plans
    It is our aim to help all ability athletes become fitter, faster and stronger. We specialise in bespoke fitness preparation for cycling, triathlon and ironman events.
  • Triathlon bikes and products
    We offer a wide range of cycling products from most of the leading brands to fit your bike. We also work with local bike shops to help customers choose the correct size bike.

Speedlab BikeFit Services

We accomodate all level riders from the enthusiast trying to find the right bike to the seasoned athlete looking to maximise performance

Cycling Analysis
  1. Choose the correct size bike before buying
  2. Test ride different brands, models and sizes
  3. Video fitting to find optimal position and bike
  4. Detailed report with all fit data and body angles
  5. Post-fit support and bike recommendations
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BikeFinder Sizing Fits
3D Road & TT BikeFit
  1. Dial you into your perfect ride position
  2. Rider interview and full off-bike assessment
  3. Streamed data in real time whilst you ride
  4. Comprehensive adjustments of all contact points
  5. Detailed report of body angles & bike set up
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Road, Gravel & MTB Bike Fits
New Bike Fit
  1. Improve performance, position & power
  2. Rider interview and full off-bike assessment
  3. Choice of 3D Retül or video capture systems
  4. Comprehensive adjustments of all contact points
  5. Detailed report of body angles & bike set up
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TT & Triathlon Bike Fits

Speedlab Coaching Services

We specialise in bespoke fitness preparation for all ability athletes participating in cycling, triathlon and ironman events

VO2 Max Metabolic Performance Testing Training Coaching
  1. Fully loaded daily classes to join online
  2. Classes follow the same sessions in your plan
  3. Instructor lead using Zwift & Discord apps
  4. All riders kept together while riding in own zones
  5. Great social fun online + a weekly outdoor ride!
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Metabolic Testing
Training Peaks triathlon Cycling Running Plan
  1. Retul 3D motion capture system
  2. Improve performance, position & power
  3. Streamed data in real time whilst you ride
  4. Detailed report of body angles & bike set up
  5. Dial you into your perfect ride position
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Bespoke Training Plans
London Virtual Online Triathlon Cycling Training Workouts Coaching
  1. Bike chat and body assessment
  2. 3D Retul bikefit using adjustable fitting bike
  3. Present perfect bike options based on your fit
  4. Help with ordering bike and additional parts
  5. All adjustments made to new bike in final fitting
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121 Personal Training